correct work curtain

static/css/styles(boris).css

@@ -58,6 +58,8 @@
     width: 100%;
     /*background: rgba(39, 53, 62, 0.7);*/
     backdrop-filter: blur(6px);
+    -webkit-backdrop-filter: blur(6px);
+    -moz-backdrop-filter: blur(6px);
     z-index: 100;
     position: fixed;
     top: 0;
@@ -2668,7 +2670,7 @@
 
 .menu_buttons.left.open.first.filters .text_f_curtain > img{
     transition: 200ms;
-    transform: rotate(270deg);
+    transform: rotate(270deg) translate(0, 0);
     filter: brightness(0) saturate(100%) invert(100%) sepia(2%) saturate(0%) hue-rotate(162deg) brightness(104%) contrast(103%);
     position: relative;
 }
@@ -2902,4 +2904,10 @@
 
 .title_b_first_page{
     margin-top: 70px;
+}
+
+/* handler_curtain changed*/
+
+.handler_curtain_left{
+    display: none;
 }